18517758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5581}}^1$

素因数の和:5672

約数の個数: 32

約数和(自身を含む): 42869760

約数和(自身を除く): 24352002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 5581, 11162, 16743, 33486, 39067, 78134, 117201, 234402, 440899, 881798, 1322697, 2645394, 3086293, 6172586, 9258879, 18517758]

約数ペア:

[(1, 18517758), (2, 9258879), (3, 6172586), (6, 3086293), (7, 2645394), (14, 1322697), (21, 881798), (42, 440899), (79, 234402), (158, 117201), (237, 78134), (474, 39067), (553, 33486), (1106, 16743), (1659, 11162), (3318, 5581)]